Walker, Robert <br/><br/>
Essentials of arithmetic a manual for teachers # Essentials of arithmetic  A manual for teachers 

 - London  George G. Harrap & Company  1929 
 - 378  Hb  20cm 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>511.07